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Casting bridge cranes are the main handling equipment for smelting workshop of steel works They are used for conveying, pouring and hot metal charging of liquid metal in smelting process. YZS casting bridge crane, adopting main crab and auxiliary crab, and four-girder and four-rail structure, is composed of bridge main crab, auxiliary crab, connecting traverse, trolley traveling mechanism and electric part. The main crab runs at the rails outside the bridge, and the auxiliary crab runs at the rails inside the bridge. The main crab employs the connecting transverse as the load handling device to hoist steel ladle, and the auxiliary crab, employing the hook as the load handling device, runs across under the main crab to accomplish pouring of molten steel and steel slag, and other auxiliary hoisting in coordination with the main hook
The trolley travelling mechanism and main electric equipment are installed in the girder. The girder' s electric panel room employs rock wool for heat insulation, and has an air cooler inside. To reduce heat radiation of molten steel to metal structural members, a thermal baffle is set along the span direction at the bottom of the girder.
1). Weight overload protection device.
2). Lifting limit switch and traveling limit switch.
3). Emergency stop system.
4). Zero voltage protection.
5). Phases protection device and so on
6). Top quality long time bearing polyurethane materials buffer.
| Lifting Capactiy(t) | 125/32 | 140/32 | 160/32 | 180/50 | 200/50 | 225/65 | 240/80 | 280/80 | 320/80 |
| Working Class | A7 | A7 | A7 | A7 | A7 | A7 | A7 | A7 | A7 |
| Span(m) | 19 | 19 | 27 | 28.5 | 28 | 27 | 22 | 22 | 24.5 |
| Main Hook Lifting Height(m) | 24 | 22 | 25 | 27 | 26 | 32 | 25 | 29 | 28 |
| Auxiliary Hook Lifting Height(m) | 26 | 24 | 26 | 29 | 26 | 34 | 27 | 29 | 32 |
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